Home / 378,881.03-567,829.45-153,979.74

Finding the Fourth Proportional to 378,881.03, 567,829.45 and 153,979.74

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Solution

The fourth proportional to 378,881.03, 567,829.45 and 153,979.74 is: 230,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,881.03 : 567,829.45 = 153,979.74 : x
  2. Step 2: Convert to fraction form
    378,881.03/567,829.45 = 153,979.74/x
  3. Step 3: Cross multiply
    378,881.03x = 567,829.45 × 153,979.74
  4. Step 4: Simplify right side
    378,881.03x = 87,434,231,267.82
  5. Step 5: Solve for x
    x = 87,434,231,267.82/378,881.03
  6. Step 6: Final answer
    x = 230,769.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.